678018087

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{343997}}^1$

素因数の和:344079

約数の個数: 16

約数和(自身を含む): 1018234080

約数和(自身を除く): 340215993

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 343997, 1031991, 3095973, 9287919, 25111781, 75335343, 226006029, 678018087]

約数ペア:

[(1, 678018087), (3, 226006029), (9, 75335343), (27, 25111781), (73, 9287919), (219, 3095973), (657, 1031991), (1971, 343997)]